4Wheel Drive . Diesel UPGRADES- 50 Gallon fuel tank, Airlift System, Fox Shocks, Ceramic Coating, Tinted windows, 18k Fifth Wheel Hitch. Great truck. Sold my fifth Wheel, no longer need the truck. Inside carpets always protected with heavy duty rubber mats in the front and backseat. No tears or damage to any of the seats. Very good condition inside and outside.